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Diffstat (limited to 'src/runtime/internal/syscall/syscall_linux.go')
-rw-r--r--src/runtime/internal/syscall/syscall_linux.go29
1 files changed, 28 insertions, 1 deletions
diff --git a/src/runtime/internal/syscall/syscall_linux.go b/src/runtime/internal/syscall/syscall_linux.go
index 7f268e8fba..a103d318c4 100644
--- a/src/runtime/internal/syscall/syscall_linux.go
+++ b/src/runtime/internal/syscall/syscall_linux.go
@@ -6,7 +6,7 @@
package syscall
import (
- _ "unsafe" // for go:linkname
+ "unsafe"
)
// TODO(https://go.dev/issue/51087): This package is incomplete and currently
@@ -37,3 +37,30 @@ func Syscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr)
func syscall_RawSyscall6(num, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, errno uintptr) {
return Syscall6(num, a1, a2, a3, a4, a5, a6)
}
+
+func EpollCreate1(flags int32) (fd int32, errno uintptr) {
+ r1, _, e := Syscall6(SYS_EPOLL_CREATE1, uintptr(flags), 0, 0, 0, 0, 0)
+ return int32(r1), e
+}
+
+var _zero uintptr
+
+func EpollWait(epfd int32, events []EpollEvent, maxev, waitms int32) (n int32, errno uintptr) {
+ var ev unsafe.Pointer
+ if len(events) > 0 {
+ ev = unsafe.Pointer(&events[0])
+ } else {
+ ev = unsafe.Pointer(&_zero)
+ }
+ r1, _, e := Syscall6(SYS_EPOLL_PWAIT, uintptr(epfd), uintptr(ev), uintptr(maxev), uintptr(waitms), 0, 0)
+ return int32(r1), e
+}
+
+func EpollCtl(epfd, op, fd int32, event *EpollEvent) (errno uintptr) {
+ _, _, e := Syscall6(SYS_EPOLL_CTL, uintptr(epfd), uintptr(op), uintptr(fd), uintptr(unsafe.Pointer(event)), 0, 0)
+ return e
+}
+
+func CloseOnExec(fd int32) {
+ Syscall6(SYS_FCNTL, uintptr(fd), F_SETFD, FD_CLOEXEC, 0, 0, 0)
+}